Comparison

Spaulding ECG vs ECG Tracker+ EKG Reader HRV

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Spaulding ECG

This application allows users to perform one-click ECGs using their iOS device and a compatible external device. It streams real-time cardiac electrical output for personal monitoring or professional analysis, enabling easy sharing of results with physicians.

Highlights
  • One-click ECG performance
  • Real-time cardiac output streaming
  • Share ECG results with physicians
  • Professional real-time analysis
  • iOS device integration
Features
Read full description

Utilizing the latest in ECG technology, the Spaulding Electrocardiograph offers one-click ECGs with your personal iOS device. Cardiac related illness is still the number one medical issue in our country. Utilizing the Spaulding Electrocardiograph application and device, you can stream the electrical cardiac output from you to your iOS device, allowing you to send the results to your physician. For healthcare professionals this device and app can be used to ascertain current cardiac output in real-time. Once paired with the Spaulding Electrocardiograph the application will be able to obtain real-time ECG data for viewing and analysis.

About

ECG Tracker+ EKG Reader HRV

Analyze ECG recordings from compatible health apps on a calibrated grid. Measure key metrics like HRV and QTc, track trends over time, and export detailed PDF reports. All processing is done on-device for enhanced privacy.

Highlights
  • Calibrated waveform grid review
  • HRV, QTc, QRS duration measurement
  • Trend tracking over time
  • Notes and symptom tagging
  • Shareable PDF report export
  • On-device processing
Features
Read full description

Explore your Apple Watch ECGs in detail, follow changes over time, and keep useful records for conversations with your doctor. ECG Tracker+ brings your ECG recordings from Apple Health into one organized library. Review interactive waveforms, explore estimated measurements, add context to your recordings, and revisit your results on iPhone and Apple Watch. TAKE A CLOSER LOOK Zoom into your ECG waveform and explore the shape of a beat with Beat Morphology. See available measurements alongside the recording, with explanations to help you understand the terminology. • Heart rate and beat-to-beat RR intervals • Heart rate variability (HRV), including rMSSD and SDNN • QT and corrected QT (QTc), with a choice of correction formulas • PR interval, P-wave duration, and QRS duration Review highlighted possible premature beats and repeating patterns, including PACs, PVCs, bigeminy, and trigeminy. Measurements and findings depend on the recording and signal quality and may not always be available. SEE YOUR RECORDINGS OVER TIME Explore charts for heart rate, HRV, QTc, and other ECG measurements. Compare periods and return to individual recordings for more detail. Use the Heart Rate Timeline to view Apple Health heart rate readings alongside the times you recorded an ECG. KEEP THE CONTEXT THAT MATTERS Add notes and symptom tags so you can remember how you felt when you recorded an ECG. Find recordings with notes, set aside ECGs for your next visit, and keep questions for your doctor with the relevant recording. SHARE A CLEARER RECORD Export PDF reports with your ECG waveform, measurements, and notes. Bring the details you want to discuss to an appointment or share a report directly from your iPhone. REVISIT RESULTS ON YOUR WATCH Browse recent recordings, view waveforms and available measurements, and check trends from your wrist. The companion app displays results processed on your paired iPhone and synced to Apple Watch. ANALYSIS ON YOUR IPHONE Your ECG recordings are analyzed on your iPhone without uploading them to a cloud analysis service. No account is required. ECG Tracker+ reads from Apple Health without changing your Health records. START FREE Get three free full ECG analyses each month, including PDF export for those unlocked recordings. Recordings unlocked with your free allowance remain unlocked. An optional subscription adds unlimited analysis and full Trends access. Requires ECG recordings in Apple Health. Record new ECGs using Apple's ECG app on a supported Apple Watch. The companion app requires the paired iPhone for analysis and syncing. ECG Tracker+ is an informational measurement tool and is not a medical device. It does not provide medical advice, diagnosis, or treatment. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Spaulding ECG1 screens
ECG Tracker+ EKG Reader HRV4 screens

Verdict

The call

The clearest difference is rating: Spaulding ECG at 5.0 against ECG Tracker+ EKG Reader HRV's 3.5. Spaulding ECG also leads on in-app purchases (none vs 5) and iOS requirement (7.0 vs 26.0). ECG Tracker+ EKG Reader HRV's advantage is update cadence (weekly vs every 2 months) and ratings volume (24 vs 1). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ECG Tracker+ EKG Reader HRV sells 3 in-app purchases, starting at $7.99 per month. Spaulding ECG asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Spaulding ECG holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: ECG Tracker+ EKG Reader HRV has 24 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Spaulding ECG ships an update every 2 months, ECG Tracker+ EKG Reader HRV weekly. The most recent releases landed on September 30, 2026 and October 16, 2026 respectively.

Scorecard6 real differences · 4 level
Spaulding ECG versus ECG Tracker+ EKG Reader HRV: the parameters behind the verdict, then further details
ParameterSpaulding ECGECG Tracker+ EKG Reader HRV
PriceFreeFree
Rating5.0 (1 ratings) — better3.5 (24 ratings)
Positive reviews—41.7% of reviews
Number of ratings124 — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS7.0 — better26.0
Further details — not scored
Size8 MB116 MB
Age rating17+12+
DeveloperSpaulding Clincal Research, LLCArtur Teodorowicz

Customer experience

Spaulding ECG

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

ECG Tracker+ EKG Reader HRV

All ratings24 ratings
Positive62.5%
Neutral0.0%
Negative37.5%
Written reviews12 reviews
Positive41.7%
Neutral0.0%
Negative58.3%

In-app purchases

None

Spaulding ECG

No in-app purchases

3 purchases

ECG Tracker+ EKG Reader HRV

Subscriptions2
  • ECG Tracker+ Pro Monthly2 variants$7.991 Month
  • ECG Tracker+ Pro Yearly2 variants$59.991 Year
One-time1
  • ECG Tracker+ Pro Lifetime$89.99

Questions

Is Spaulding ECG free?
Spaulding ECG is free to download, with no in-app purchases.
Is ECG Tracker+ EKG Reader HRV free?
ECG Tracker+ EKG Reader HRV is free to download, with in-app purchases available.
Which has better reviews, Spaulding ECG or ECG Tracker+ EKG Reader HRV?
Spaulding ECG is rated higher. Spaulding ECG averages 5.0 out of 5 from 1 ratings, while ECG Tracker+ EKG Reader HRV averages 3.5 from 24 ratings.
Do Spaulding ECG or ECG Tracker+ EKG Reader HRV have ads?
Neither Spaulding ECG nor ECG Tracker+ EKG Reader HRV shows ads.
Which is updated more often, Spaulding ECG or ECG Tracker+ EKG Reader HRV?
Spaulding ECG ships an update every 2 months, and ECG Tracker+ EKG Reader HRV weekly. Most recently, Spaulding ECG was updated on September 30, 2026 and ECG Tracker+ EKG Reader HRV on October 16, 2026.

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